[Native] Add an option to reduce the number of platform libs in bundle
This should help to speed up our CI by building only platform libraries
which are required for tests.
diff --git a/kotlin-native/build-tools/src/main/kotlin/org/jetbrains/kotlin/platformLibs/updateDefFileDependencies.kt b/kotlin-native/build-tools/src/main/kotlin/org/jetbrains/kotlin/platformLibs/updateDefFileDependencies.kt
index e5ba700..33da8c3 100644
--- a/kotlin-native/build-tools/src/main/kotlin/org/jetbrains/kotlin/platformLibs/updateDefFileDependencies.kt
+++ b/kotlin-native/build-tools/src/main/kotlin/org/jetbrains/kotlin/platformLibs/updateDefFileDependencies.kt
@@ -8,6 +8,7 @@
import org.gradle.api.DefaultTask
import org.gradle.api.Project
import org.gradle.api.file.ConfigurableFileCollection
+import org.gradle.api.file.FileCollection
import org.gradle.api.file.RegularFileProperty
import org.gradle.api.provider.ListProperty
import org.gradle.api.provider.Property
@@ -26,8 +27,35 @@
import javax.inject.Inject
import kotlin.io.path.exists
-fun Project.familyDefFiles(family: Family) = fileTree("src/platform/${family.visibleName}")
+/**
+ * We want to reduce Kotlin/Native distribution build time on CI and locally.
+ * To do so, we can remove Xcode SDK platform libraries that are not used by any of the tests.
+ *
+ * AppKit for macOS and UIKit for the rest seems to be a good trade-off.
+ */
+private fun FileCollection.minimalSet(family: Family, project: Project): FileCollection {
+ if (project.getBooleanProperty("kotlin.native.platformLibs.minimalSet") == false) {
+ return this
+ }
+ val rootModule = when (family) {
+ Family.OSX -> "AppKit"
+ Family.IOS, Family.TVOS, Family.WATCHOS -> "UIKit"
+ Family.LINUX, Family.MINGW, Family.ANDROID -> null
+ }
+ return if (rootModule != null) {
+ val rootModuleFile = this.single { it.name == "$rootModule.def" }
+ val dependencies = rootModuleFile.bufferedReader().use {
+ it.readLine().substringAfter("depends = ").split(' ').map { it.trim() }
+ }
+ this.filter { it.nameWithoutExtension in dependencies + rootModule }
+ } else {
+ this
+ }
+}
+
+fun Project.familyDefFiles(family: Family): FileCollection = fileTree("src/platform/${family.visibleName}")
.filter { it.name.endsWith(".def") }
+ .minimalSet(family, this)
fun Project.registerUpdateDefFileDependenciesForAppleFamiliesTasks(aggregateTask: TaskProvider<*>): Map<Family, TaskProvider<*>> {
val shouldUpdate = project.getBooleanProperty(updateDefFileDependenciesFlag) ?: false
